US4607990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unipak tie-down system
Assignee: Westinghouse Electric Corp
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Filing: 1984-10-24
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Granted: 1986-08-26
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Expires: 2004-10-24
Abstract
Abstract Disclosed is a system for handling, transporting, and disposing of low level radioactive waste materials which utilizes reusable, separate, and removable lifting means and tie-down means. Mechanical design of the lifting means and hold-down means prevent the inadvertent use of either for the improper purpose.
Inventors
- 👤 Alfred G. Eggers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:42
CPC Classifications
G; G21; G21F; G21F5/00; G21F9/00; G21F9/28; G21F9/34; G21F9/36
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
110 words
An apparatus for holding waste material, suitable for handling, transporting, and disposal comprising: an open cask for accepting the waste material; a lid that mates with the open cask to close the cask; studs fastened into the cask and passing through the lid; means for securing the lid to the cask; lifting lugs fastened onto the portion of the stud protruding through the lid; and a hold-down ring with tie-down lugs for use in securing said cask during transport with said lifting lugs removed, said ring having cavities sized to accept protruding stud portions and lid securing means when placed over the lid but sized not to accept lifting lugs.
Claim 2
Independent Claim
110 words
An apparatus for holding waste material, suitable for handling, transporting, and disposal comprising: an open cask for accepting the waste material; a lid that mates with the open cask to close the cask; studs fastened into the cask and passing through the lid; means for securing the lid to the cask; lifting lugs fastened onto the portion of the stud protruding through the lid; and a hold-down ring with tie-down lugs for use in securing said cask during transport with said lifting lugs removed, said ring having cavities sized to accept protruding stud portions and lid securing means when placed over the lid but sized not to accept lifting lugs.
Claim 3
Independent Claim
128 words
An apparatus for holding waste material, suitable for handling, transporting, and disposal comprising: an open cask for accepting the waste material; a lid that mates with the open cask to close the cask; studs fastened into the cask and passing through the lid; means for securing the lid to the cask; lifting lugs fastened onto the portion of the stud protruding through the lid; a hold-down ring with tie-down lugs for use in securing said cask during transport with said lifting lugs removed, said ring having cavities sized to accept protruding stud portions and lid securing means when placed over the lid but sized not to accept lifting lugs; and lower anchor means capable of being fastened to a vehicle that surrounds the bottom circumference of the cask.
Claim 4
Independent Claim
128 words
An apparatus for holding waste material, suitable for handling, transporting, and disposal comprising: an open cask for accepting the waste material; a lid that mates with the open cask to close the cask; studs fastened into the cask and passing through the lid; means for securing the lid to the cask; lifting lugs fastened onto the portion of the stud protruding through the lid; a hold-down ring with tie-down lugs for use in securing said cask during transport with said lifting lugs removed, said ring having cavities sized to accept protruding stud portions and lid securing means when placed over the lid but sized not to accept lifting lugs; and lower anchor means capable of being fastened to a vehicle that surrounds the bottom circumference of the cask.
Claim 5
Dependent Claim
26 words
The apparatus of claim 2 wherein the lower anchor means is comprised of more than one segment with means for compressing said segments against the cask.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |